US3356659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terpolymers and process of preparing same
Assignee: Eastman Kodak Co
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Filing: 1964-05-19
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Granted: 1967-12-05
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Expires: 1984-05-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh J Hagemeyer
- 👤 Alden E Blood
- 👤 Marvin B Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 22:50
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/42; C08F220/44; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A RESINOUS TERPOLYMER OF A MIXTURE OF (1) ABOUT 25 TO ABOUT 40%, BY WEIGHT, OF 1,3-BUTADIENE, (2) ABOUT 30 TO ABOUT 45%, BY WEIGHT, OF ACRYLONITRILE AND (3) ABOUT 30 TO ABOUT 40%, BY WEIGHT, OF A 2,2-DIMETHYLALKYL METHACRYLATE HAVING THE FORMULA
Claim 2
Dependent Claim
43 words
A RESINOUS TERPOLYMER OF A MIXTURE OF (1) ABOUT 25 TO ABOUT 40%, BY WEIGHT, OF 1,3-BUTADIENE, (2) ABOUT 30 TO ABOUT 45%, BY WEIGHT, OF ACRYLONITRILE AND (3) ABOUT 30 TO ABOUT 40%, BY WEIGHT, OF A 2,2-DIMETHYLALKYL METHACRYLATE HAVING THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |